Design

Heel Blocking Requirements and Capacity Analysis

Both the International Residential Code (IRC) and the International Building Code (IBC) require that the top plates of exterior braced wall panels be attached to the rafters or roof trusses above. This report will discuss the code requirements and provide alternate engineered designs and capacities, including heel/bird blocking, partial height blocking and blocking panels.

Position Statement on Sealed Truss Placement Diagrams for the 2012 or 2015 IBC - Educational Program

This presentation provides information on sealed Truss Placement Diagrams for the 2012 or 2015 International Building Code.

Truss Repair - Educational Program

This presentation provides information on and requirements for truss repairs.

Sprinkler Loads on Trusses - Educational Program

This presentation provides information on and requirements for sprinkler loads on metal plate connected wood trusses.

Sealed Truss Placement Diagrams - Texas

It can be often misunderstood whether a Truss Design Engineer has the responsibility to seal a Truss Placement Diagram (TPD). The purpose of this Research Report is to provide the relevant code sections from the latest editions of the International Building Code (IBC) for thorough analysis and interpretation, as they relate to the state of Texas. 

Sealed Truss Placement Diagrams - IRC

It can be often misunderstood whether a Truss Design Engineer has the responsibility to seal a Truss Placement Diagram (TPD). The purpose of this Research Report is to provide the relevant code sections from the latest editions of the International Residential Code (IRC) for thorough analysis and interpretation. 

A Gamble on Gambrel: Cascade’s Customer Service Pays Off

For Cascade, gambrel trusses were just one unique aspect of an entirely unusual project

What the Code Says: Truss Placement Diagrams

Truss placement diagrams (TPDs) may be one of the more misunderstood documents in our industry. 

Industry Testing at SBCRI Is Multi-ply-ing

What will happen if the plies of a multi-ply girder truss are not fastened together properly? Overloading and, potentially, chord fractures can occur.  

Why Lumber Variability Is a Problem for CMs

ALSC’s PS 20-15 has fundamentally changed what this grade stamp represents.

Few issues have demanded the attention of the SBCA Board of Directors more over the past five years than the variability of lumber design values. SBCA Legal Counsel Kent Pagel provided guidance to component manufacturers (CMs) on ways to mitigate the potential risk and liability that have arisen in the market as a result of how the lumber industry has chosen to deal with the issue of variable design properties.